The SastX-SNIOE-02 is a hyperspectral push-broom imager primarily designed for earth observation applications as a payload for CubeSat satellites. It is based on a InGaAs image sensor and custom continuously variable optical filter in the near-infrared (NIR) spectral range. SastX-SNIOE-02 provides area imaging up to 100FPS, providing up to 640 hyperspectral bands. 

The optical front-end (OFE) has a large aperture diameter and long focal length within a compact form factor, resulting in a ground sampling distance at an orbital height of 500 km. The optical design and high-performance coating bring performance to the edge of the object field over the whole spectral range at an ultra-low distortion. 

The SastX-SNIOE-02 is engineered to withstand the rigours of the space environment and maintain performance across a wide temperature range. Its compact form factor is optimised for integration into CubeSat structures, with less than 3kg weight.

Key Specifications

1. Optics 

Focal Length: 155.8mm

Aperture: 50mm

Full Field of View: 2.07°(Spectral dimension) / 2.59°(Area dimension)

2. Imaging Configuration:

Area Scan Sensor Technology: InGaAs

Pixel Resolution: 640 X 512

Pixel Size: 15um

Pixel Depth: 14bit

Frame Rate: 100Hz

Hyperspectral Range: 1465nm –1670nm (Customization acceptable)

Hyperspectral Resolution: Up to 0.1nm (Customization acceptable)

3. On-Board Electronics

Image Processing: Binning (Maximum 2X2)

Image Compression: None, RAW output

Control Interface: RS422 or RS485; CAN 2.0 (Under Development)

Data Interface: Camera Link Base Mode

Physical Interface Options: J30J-15 Connector; SDR26 Camera Link Connector

Power Supply: 5VDC ± 5%, 1A; 12VDC ± 5%, 1A

Power Consumption: 1W when idle; 30W when imaging

Other Feature: System power output for monitor; CPU/Sensor temperature output for monitor

4. Mechanical

Mass: 2.77±0.5 Kg

Dimensions: 333 X 142 X 122 mm

5. Environmental

Operating Temperature: -15 °C to +45 °C V.